S. Ghosh, M. Matty, R. Baumbach, E. D. Bauer, K. A. Modic, A. Shekhter, J. A. Mydosh, E.-A. Kim, and B. J. RamshawDOI: 10.1126/sciadv.aaz4074 Friday, March 6, 2020 One-component order parameter in URu2Si2 uncovered by resonant ultrasound spectroscopy and machine learning.pdf